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Circulation, Vol 70, 903-907, Copyright © 1984 by American Heart Association

ARTICLES

Balloon dilatation angioplasty: nonsurgical management of coarctation of the aorta

RS Cooper, SB Ritter and RJ Golinko

Balloon dilatation angioplasty was successfully performed in five patients (ages 18 months to 17 years) with discrete aortic coarctation. The catheter size was No. 8F or 9F. Selection of balloon diameter was based on angiographic measurements of the aorta determined proximal and distal to the coarctation site. A 10 sec inflation-deflation cycle at 6 to 8 atmospheres (90 to 120 psi) was performed. The systolic pressure gradients across the coarctation before balloon dilatation angioplasty ranged from 35 to 70 mm Hg. Systolic pressure gradients after balloon dilatation angioplasty ranged from 0 to 10 mm Hg. All patients had normalized blood pressure immediately. Abnormal pulsed Doppler echocardiograms were observed in all patients before balloon dilatation angioplasty; four patients had normal echocardiograms after balloon dilatation angioplasty. No serious intraprocedural complications occurred. One patient required femoral artery thrombectomy 36 hr after balloon dilatation angioplasty. One to 6 months after balloon dilatation angioplasty no patients have evidence of restenosis of coarctation. Early results suggest that balloon dilatation angioplasty may offer a safe and effective nonsurgical alternative for the treatment of discrete coarctation in older infants and children. Long- term follow-up for the incidence of restenosis and formation of aneurysms will ultimately determine the efficacy and safety of this procedure.

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